Sentence examples for up to three controls from inspiring English sources

Similar analyses were conducted for all-cause mortality (where up to three controls were matched to each case).

Within the study population, 12,609 patients were identified as having had an exacerbation episode; these cases were matched by age and gender to up to three controls each, resulting in 35,299 controls.

Each exacerbation case was matched by age (within five years) and sex to up to three controls (patients not suffering exacerbation at the same time as the case) using incidence sampling.

To compensate for this, we will enrich the control sample with 3 1 matched sampling so that each case will have up to three controls followed in an identical manner.

When using the stricter criterion of body mass index ≥40 for the control group and matching up to three controls per case (n=2392 6818; mean body mass index 32.5 v 43.2; P<0.001), the excess risk of preterm birth was further attenuated but remained higher in post-bariatric surgery births (9.4% (224/2371) v 7.5% (508/6758); risk difference 1.9%, 0.6% to 3.3%; P=0.03).

Also, we sampled only up to three controls per case as fewer women had a body mass index ≥40.

You can have up to three control settings in the pause menu (Esc).

Using incidence density sampling [25], we randomly selected up to four controls (N = 35,891) for each case from among eligible cohort members, matched on age (±1 year) and duration of SPDP membership.

Next, we randomly sampled up to four controls for each individual from all eligible controls.

Each case was matched to up to five controls by age, sex, practice and calendar year.

A total of 31 953 cancers were identified, each matched with up to two controls.